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CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Statement of Financial Position [Abstract]    
Mortgage loans held for sale, amortized cost $ 16,099 $ 19,624
Securities available for sale, amortized cost 491,145 524,036
Securities held to maturity, fair value $ 50,042 $ 52,499
Common stock, par value $ 0.0625 $ 0.0625
Common stock, shares authorized 30,000,000 30,000,000
Common stock, shares issued 16,354,155 16,292,471